{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Median cumulative doxorubicin dose at onset was more than 2 , 220 mg / m ( 2 ) for MC versus 480 mg / m ( 2 ) for AC ( P = . 0001 , hazard ratio , 5 . 04 ) ."}
{"Chemical": ["doxorubicin"], "Disease": []}